pg_timezone_abbrevs — PostgreSQL system view

The PostgreSQL pg_timezone_abbrevs system view: full column reference (names, types, descriptions), catalog relationships and version support.

Summary

The view pg_timezone_abbrevs provides a list of time zone abbreviations that are currently recognized by the datetime input routines. The contents of this view change when the timezone or timezone_abbreviations run-time parameters are modified.

(Description quoted from the official PostgreSQL documentation.)

Columns

The pg_timezone_abbrevs system view exposes the following columns (names, types and descriptions are taken verbatim from the PostgreSQL documentation):

  • abbrev text
    Time zone abbreviation
  • utc_offset interval
    Offset from UTC (positive means east of Greenwich)
  • is_dst bool
    True if this is a daylight-savings abbreviation

Version applicability

Present in PostgreSQL 17, 18, 19 (verified against each release’s documentation). This is a long-standing system object that also exists in earlier PostgreSQL releases.

Related & references

Reference: PostgreSQL documentation — pg_timezone_abbrevs.